Finding the Fourth Proportional to 3,680,517.60, 5,523,136.56 and 1,786,226.40
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Solution
The fourth proportional to 3,680,517.60, 5,523,136.56 and 1,786,226.40 is: 2,680,485.03
Step by Step Solution
- Step 1: Write the proportion equation
3,680,517.60 : 5,523,136.56 = 1,786,226.40 : x - Step 2: Convert to fraction form
3,680,517.60/5,523,136.56 = 1,786,226.40/x - Step 3: Cross multiply
3,680,517.60x = 5,523,136.56 × 1,786,226.40 - Step 4: Simplify right side
3,680,517.60x = 9,865,572,334,277.18 - Step 5: Solve for x
x = 9,865,572,334,277.18/3,680,517.60 - Step 6: Final answer
x = 2,680,485.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.